Table 2.
Summary of cases of chondrosarcoma of the pelvis with discrepancy in histological grade between preoperative needle biopsy and postoperative surgical specimen
| Gender | Age (years) | Preoperative biopsy | Surgical specimen |
|---|---|---|---|
| Female | 21 | Atypical cartilaginous tumor/Grade 1 | Grade 2 |
| Female | 36 | Atypical cartilaginous tumor/Grade 1 | Grade 2 |
| Female | 29 | Atypical cartilaginous tumor/Grade 1 | Grade 2 |
| Female | 65 | Atypical cartilaginous tumor/Grade 1 | Grade 2 |
| Female | 65 | Atypical cartilaginous tumor/Grade 1 | Grade 2 |
| Male | 72 | Atypical cartilaginous tumor/Grade 1 | Grade 2 |
| Female | 31 | Atypical cartilaginous tumor/Grade 1 | Grade 2 |
| Female | 37 | Atypical cartilaginous tumor/Grade 1 | Grade 3 |
| Male | 68 | Atypical cartilaginous tumor/Grade 1 | Grade 3 |
| Female | 55 | Atypical cartilaginous tumor/Grade 1 | Dedifferentiated |
| Male | 53 | Atypical cartilaginous tumor/Grade 1 | Dedifferentiated |
| Male | 51 | Atypical cartilaginous tumor/Grade 1 | Dedifferentiated |
| Male | 53 | Atypical cartilaginous tumor/Grade 1 | Dedifferentiated |
| Female | 40 | Grade 2 | Grade 3 |
| Female | 43 | Grade 2 | Grade 3 |
| Male | 67 | Grade 2 | Grade 3 |
| Male | 68 | Grade 2 | Grade 3 |
| Male | 69 | Grade 2 | Grade 3 |
| Male | 37 | Grade 2 | Grade 3 |
| Male | 37 | Grade 2 | Grade 3 |
| Male | 68 | Grade 2 | Grade 3 |
| Male | 29 | Grade 2 | Grade 3 |
| Male | 58 | Grade 2 | Grade 3 |
| Male | 38 | Grade 2 | Grade 3 |
| Female | 56 | Grade 3 | Grade 2 |